Reinforcing Deformed Steel Bars with Grade HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
Standard:
GB
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Black
Steel Grade:
HRB400
Thickness:
6-32mm
Length:
12m/pc
Net Weight:
2mt/bundle
OKorder is offering high quality Hot Rolled Rebars at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to Africa, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered by OKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4:What's your payment terms ?
A4:Mostly,we collect the money by T/T and LC at sight . We also accept time LC at 90/120 days sight.
Images
- Q: What are the different types of steel rebars available?
- There are several different types of steel rebars available, each with its own unique properties and applications. Some of the most common types include: 1. Mild Steel Rebars: These are the most commonly used type of rebars and are known for their high strength and durability. They are typically used in general construction projects and can withstand heavy loads. 2. High-Strength Deformed (HSD) Rebars: These rebars are made from carbon steel and are heat-treated to enhance their strength and elasticity. They have enhanced resistance to corrosion and are commonly used in high-rise buildings, bridges, and other structures that require extra strength. 3. European Rebars: These rebars are manufactured according to European standards and are typically made from mild steel. They have a ribbed surface to provide better adherence to concrete and are used in various construction applications. 4. Carbon Steel Rebars: These rebars are made from carbon steel and have a high carbon content. They have excellent strength and are widely used in structures that require exceptional durability, such as bridges and highways. 5. Epoxy-Coated Rebars: These rebars are coated with an epoxy layer to prevent corrosion and enhance their longevity. They are commonly used in marine structures and areas with high humidity or salt exposure. 6. Galvanized Rebars: These rebars are coated with a layer of zinc to provide protection against corrosion. They are commonly used in areas with high moisture content or in coastal regions. 7. Stainless Steel Rebars: These rebars are made from stainless steel and are highly resistant to corrosion. They are used in specialized applications, such as in areas with chemical exposure or in structures that require exceptional durability. It is important to choose the appropriate type of steel rebar based on the specific requirements of the construction project, including load-bearing capacity, corrosion resistance, and environmental conditions. Consulting with a structural engineer or construction professional can help determine the best type of rebar to use for a particular project.
- Q: Can steel rebars be used in railway bridge construction?
- Absolutely, railway bridge construction can utilize steel rebars. In the construction sector, steel rebars are frequently employed to strengthen concrete structures, such as bridges. Railway bridges necessitate exceptional strength and durability to endure heavy loads, continual vibrations, and strains triggered by passing trains. By reinforcing concrete structures, steel rebars augment their ability to bear loads and safeguard the long-term structural soundness of the bridge. Furthermore, steel rebars can be readily tailored to cater to the precise design prerequisites of railway bridges, making them a fitting option for construction in this particular setting.
- Q: How to recognize high quality thread steel
- Inferior steel due to poor production conditions, bulk, no metal signs, no quality guarantee. For safety reasons, we should not buy the inferior steel bars, or go to the direct agents of some famous brand manufacturers, so that the quality is guaranteed. Shandong hundred fertile Steel Pipe Co., Ltd. here recommends that users in the purchase of thread steel, must go to the formal steel business units to purchase, request steel quality certificate, and acceptance.
- Q: How do steel rebars affect the overall cost of maintenance and repairs?
- Various structures can experience a noticeable impact on maintenance and repair costs due to the presence of steel rebars. The utilization of steel rebars is quite common in reinforcing concrete structures such as buildings, bridges, and highways. These rebars provide concrete with added strength and durability, effectively preventing cracks and structural failures. In terms of maintenance, steel rebars play a vital role in reducing the frequency and expenses associated with repairs. By reinforcing the concrete, rebars assist in distributing stress and load evenly, therefore minimizing the likelihood of structural damage. Consequently, property owners and infrastructure managers can save both time and money as maintenance and repair efforts become less frequent. Furthermore, the presence of steel rebars significantly contributes to the overall longevity of structures. By preventing cracks and other forms of damage, rebars effectively extend the lifespan of the concrete. Consequently, costly and extensive repairs, or even complete structure replacements, become less necessary over time. However, it is important to acknowledge that steel rebars themselves may require maintenance. Over time, rebars can corrode due to exposure to moisture, chemicals, or environmental factors. Consequently, the integrity of the structure can be compromised as the rebars weaken. Therefore, periodic inspection and maintenance of the rebars become necessary to prevent any potential issues. In conclusion, the impact of steel rebars on maintenance and repair costs is significant. While they enhance the strength and durability of structures, reducing the need for frequent repairs, they also require their own maintenance to prevent corrosion. By properly maintaining steel rebars, the lifespan of structures can be extended, resulting in long-term cost savings.
- Q: What is the role of steel rebars in preventing concrete segregation?
- Steel rebars play a crucial role in preventing concrete segregation by providing structural support and reinforcement to the concrete. When concrete is poured, it is in a liquid state and has a tendency to separate or segregate, with heavier aggregates settling at the bottom and lighter materials rising to the top. This can lead to an inconsistent and weak concrete structure. By placing steel rebars within the concrete, they act as a framework or skeleton, holding the concrete together and preventing segregation. The rebars help distribute the weight and forces evenly, ensuring that the concrete mixture remains well-mixed and homogeneous throughout. Additionally, steel rebars also enhance the tensile strength of the concrete. While concrete is strong in compression, it is relatively weak in tension. The rebars absorb the tensile forces, preventing cracks and fractures from forming in the concrete. This reinforcement allows the concrete structure to withstand external loads, such as the weight of a building or the force of an earthquake, without breaking apart. In summary, the role of steel rebars in preventing concrete segregation is twofold - they provide structural support and reinforcement, ensuring a homogeneous mixture and enhancing the overall strength and durability of the concrete structure.
- Q: Can steel rebars be used in combination with other reinforcement materials?
- Combining steel rebars with other reinforcement materials is a common practice in construction projects. Steel rebars provide tensile strength and improve overall structural integrity in reinforced concrete structures. However, additional reinforcement materials may be needed in certain cases to meet design requirements or overcome unique construction challenges. For example, in areas with high seismic activity, it is important to prioritize flexibility and ductility. In these situations, steel rebars can be combined with materials like fiber-reinforced polymer (FRP) bars or carbon fiber-reinforced polymer (CFRP) strips. These materials offer increased strength and flexibility, enhancing the structure's ability to withstand seismic forces. Furthermore, when corrosion is a concern, steel rebars can be used alongside corrosion-resistant materials such as stainless steel rebars or epoxy-coated rebars. These materials form a protective barrier, preventing direct contact between the steel rebars and moisture or corrosive agents. Moreover, in specialized applications like precast concrete elements or composite structures, steel rebars can be used in conjunction with other reinforcement materials like prestressed tendons or structural fibers. This combination allows for load redistribution and ensures optimal structural performance. In conclusion, combining steel rebars with other reinforcement materials is an effective way to meet specific construction requirements, improve structural performance, and address challenges related to seismic activity, corrosion, or specialized applications.
- Q: How do steel rebars prevent cracking in concrete structures?
- Steel rebars prevent cracking in concrete structures by providing reinforcement and strength. When concrete is poured, it is initially strong in compression but weak in tension. The rebars, made of high-strength steel, are embedded in the concrete to counteract this weakness. They absorb the tensile forces that occur due to bending or stretching of the concrete, preventing it from cracking. The rebars distribute the stress evenly throughout the structure, increasing its overall strength and durability. Additionally, rebars help to control the width and extent of any cracks that may occur, ensuring that the concrete structure remains stable and safe.
- Q: Are steel rebars suitable for high-rise buildings?
- High-rise buildings can benefit greatly from the use of steel rebars. These reinforcing bars, also known as steel rebars, are extensively utilized in the construction industry to add strength and stability to concrete structures. The robustness of high-rise buildings necessitates sturdy structural elements that can withstand the substantial loads and forces experienced at greater heights. Steel rebars are perfectly suited for this purpose due to their exceptional tensile strength, durability, and capacity to endure heavy loads. Utilizing steel rebars in high-rise buildings presents numerous advantages. Firstly, these rebars offer outstanding tensile strength, which is essential for counteracting the tensile forces that manifest in tall structures. By distributing the load evenly throughout the building, these rebars prevent the concrete from cracking or failing under pressure. Secondly, steel rebars possess remarkable durability, rendering them ideal for enduring the stresses and strains endured by high-rise buildings. They boast a lengthy lifespan and can withstand exposure to severe environmental conditions, including extreme temperatures, moisture, and corrosion. This durability ensures the building's longevity and safety. Furthermore, steel rebars can be easily fabricated and installed, enabling efficient construction processes in high-rise buildings. The adaptability and versatility of steel rebars make them suitable for various structural designs and configurations, empowering architects and engineers to create innovative and efficient building systems. Moreover, incorporating steel rebars in high-rise buildings enhances fire resistance. Owing to steel's high melting point, steel rebars can help prevent structural collapse in the event of a fire. This factor is crucial for occupant safety and the overall integrity of the building. In conclusion, steel rebars are undeniably suitable for high-rise buildings. Their exceptional tensile strength, durability, ease of fabrication, and fire resistance make them an excellent choice for providing structural stability and strength in tall structures. Utilizing steel rebars guarantees the safety, longevity, and dependability of high-rise buildings.
- Q: What are the different types of coating for steel rebars?
- There are several different types of coatings that can be applied to steel rebars to provide protection against corrosion and enhance their durability. These coatings include: 1. Epoxy Coating: Epoxy coating is a commonly used type of coating for steel rebars. It is a high-performance coating that provides excellent protection against corrosion. Epoxy coatings are typically applied in multiple layers to ensure a thick and durable coating. 2. Galvanized Coating: Galvanized coating involves applying a layer of zinc to the surface of the steel rebar. This coating provides an effective barrier against corrosion and can significantly extend the lifespan of the rebar. Galvanized coatings can be applied through hot-dip galvanizing or electroplating processes. 3. Fusion-Bonded Epoxy Coating (FBE): Fusion-bonded epoxy coating is another popular choice for steel rebars. It involves applying a layer of epoxy powder to the rebar, which is then fused to the surface through a heating process. FBE coatings offer excellent resistance to chemicals and corrosion. 4. Stainless Steel Coating: Stainless steel coatings can be applied to steel rebars to provide enhanced resistance against corrosion. This coating is typically achieved through a process called thermal spray, where a layer of stainless steel particles is sprayed onto the rebar surface. 5. Polyethylene Encasement: Polyethylene encasement involves wrapping the steel rebar with a layer of polyethylene material. This coating provides a physical barrier against moisture and chemicals, preventing corrosion from occurring. Each type of coating has its own advantages and suitability for different applications. The choice of coating for steel rebars depends on factors such as the environment they will be exposed to, the required lifespan of the rebars, and the specific project requirements.
- Q: How do steel rebars contribute to the structural soundness of a building?
- Steel rebars are crucial components in the construction industry as they play a significant role in ensuring the structural soundness of buildings. These reinforcing bars, commonly known as rebars, are made of steel and are embedded within concrete to provide additional strength and reinforcement. One of the primary ways steel rebars contribute to the structural soundness of a building is by increasing its tensile strength. While concrete is excellent when it comes to handling compressive forces, it is relatively weak in terms of tension. When a building is subject to various loads, such as those caused by wind, earthquakes, or even its self-weight, it experiences both compressive and tensile forces. By adding steel rebars to concrete, the tensile strength of the overall structure is significantly enhanced. This prevents the concrete from cracking or failing under tension, ensuring the building's stability and durability over time. Furthermore, steel rebars also improve the overall ductility of a building. Ductility refers to the ability of a material to deform under stress without fracturing. Concrete, being a brittle material, lacks ductility and tends to fail abruptly when subjected to excessive stress. By incorporating steel rebars, the concrete-reinforced structure gains the ability to absorb and distribute energy, allowing it to undergo controlled deformations without sudden failure. This increased ductility ensures that the building can withstand dynamic loads, such as those generated during an earthquake, and reduces the risk of catastrophic collapse. In addition to improving tensile strength and ductility, steel rebars also enhance the overall stability and load-bearing capacity of a building. By distributing the load more evenly across the structure, they help to minimize localized stress concentrations, preventing potential weaknesses or failure points. This distributed load-bearing capacity ensures that the building can support its intended weight and withstand the forces acting upon it. Moreover, steel rebars also contribute to the longevity of a building by providing protection against corrosion. Steel is vulnerable to rust when exposed to moisture and air, which can weaken its structural integrity. However, rebars are often coated with epoxy or other anti-corrosion materials to prevent rusting. This protective layer ensures that the steel remains intact and maintains its strength over time, further enhancing the structural soundness of the building. In summary, steel rebars play a vital role in ensuring the structural soundness of a building. They increase the tensile strength of concrete, improve its ductility, enhance load-bearing capacity, and protect against corrosion. By incorporating steel rebars, buildings can withstand various loads, resist cracking, and ensure long-term stability and durability.
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Reinforcing Deformed Steel Bars with Grade HRB400
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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